{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949858,-0.312683,0.000000,0.000000,0.116092,-0.352662,0.928522,0.000000,-0.290063,0.881142,0.373433,0.000000,-1850924.142370,5622670.863855,2366965.475864,1],    "boundingVolume": {    "region": [1.888744,0.382657,1.888882,0.382757,0.000000,11.188120]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/2/28_62721.b3dm"}}}